# SDR CALA2013103192540

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 30, 2013
- Submitted: November 1, 2013
- Operation: Air carrier
- Aircraft: N561UA
- Make and model: Boeing 757222
- Aircraft serial: 26661
- Aircraft time: 69,798 hours, 25,459 cycles
- Engine: Pwa PW2040
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Control Unit
- Part number: 734285E
- Part serial: 201
- Condition: Faulty
- Location: Nr 1
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2013103192540

## Discrepancy

FLICKERING LIGHTS IN GALLEY AFTER POWER TRANSFER FROM APU TO ENG GENERATOR. REPLACED BPCU IAW AMM, RAN ENGINES TESTED OKAY.

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